ProfiSeal Rubber Shaft-Bearing
Silverline and Aqualine water-lubricated rubber bearings.
Questions about the product?
Phone: +49 (0) 67 32/96 14 76
sales@profiseal.com
Technical Features
- continious highest rubber quality
- close tolerances due to ground inner diameter
- low coefficient of friction
- low shaft-wear
- long lifetime
- high damping of vibrations
- split version possible, for exchange without pulling the shaft
- flanged bearings, special applications and stave bearings on request
- standrat bearing shell is corrosion-ressisting naval quality brass or phenolic resin other materials on request
Applications
- commercial and military ships
- pleasure boats
- dradgers
- punmps and hydro power plants
Material
- standart bearing shell is corrosion-ressisting naval quality brass to BS2871, Alloy CZ126 or high quality phenolic resin
- alternative shell materials like stainless and mild steel or bronze on request
- standart rubber is though synthetic nitril grade compunded for resilience and high oil and abrasion resistance
Tolerances
- inner diameter precision ground for optimum lubrication when fitted with shafts h9
- water clearance 0,1 mm per 100 mm shaft diameter (please notify if other clearances are requested)
- outside diamter up to 155 mm machined to ISO p6
- outside diameter over 155 mm machined ISO h6
Metric Series
| Shaft diameter A (mm) | Outside diameter B (mm) | Length C (mm) | Sleeve S (mm) |
| 20 22 25 |
35 35 40 |
80 88 100 |
2.4 2.4 2.4 |
| 28 30 32 |
42 45 45 |
112 120 128 |
2.8 2.6 2.6 |
| 35 38 40 |
50 55 55 |
140 152 160 |
2.0 3.8 3.8 |
| 42 45 50 |
60 65 70 |
168 180 200 |
3.0 2.3 2.3 |
| 55 60 65 |
75 80 85 |
220 240 260 |
3.8 3.3 3.8 |
| 70 75 80 |
90 95 100 |
280 300 320 |
2.3 4.0 4.2 |
| 85 90 95 |
105 110 115 |
340 360 380 |
4.2 4.2 4.2 |
| 100 105 110 |
125 130 135 |
400 420 440 |
3.6 3.6 4.8 |
| 115 120 |
145 155 |
460 480 |
5.0 6.0 |
different sizes on request
Mixed Metric Series
| Shaft diameter A (mm) | Outside diameter B (mm) | Length C (mm) | Sleeve S (mm) |
| 25 30 32 |
1.1/2″ 1.3/4″ 1.3/4″ |
100 120 128 |
2.4 2.4 2.4 |
| 35 38 40 |
1.7/8″ 2″ 2.1/8″ |
140 152 160 |
2.4 2.4 3.2 |
| 45 50 55 |
2.3/8″ 2.5/8″ 2.7/8″ |
180 200 220 |
3.2 3.2 2.5 |
| 60 | 3″ | 240 | 3.2 |
different sizes on request
Imperial Series
| Shaft diameter A (mm) | Outside diameter B (mm) | Length C (mm) | Sleeve S (mm) |
| 1″ 1″ |
1.1/4″ 1.1/2″ |
4″ 4″ |
0.06″ 0.09″ |
| 1.1/4″ 1.1/4″ 1.1/2″ |
1.1/2″ 1.3/4″ 2″ |
5″ 5″ 6″ |
0.06″ 0.09″ 0.09″ |
| 1.1/2″ 1.3/4″ 1.3/4″ |
2.3/8″ 2.3/8″ 2.5/8″ |
6″ 7″ 7″ |
0.13″ 0.13″ 0.13″ |
| 2″ 2″ 2.1/4″ |
2.5/8″ 3″ 3″ |
8″ 8″ 9″ |
0.13″ 0.13″ 0.13″ |
different sizes on request
Remarks
- Silvertown bearings are accepted by all major classification societies
- standard metric series recommended for new installations
- for special applications split version, spiral flutes and interchangeable stave bearings are available
- bearings available to suit shafts up to more than 1000 mm